Enoch Pratt Free Library, Baltimore. General Reference Dept. (1950). General Reference Department staff manual.
Chicago-referens (17:e uppl.)Enoch Pratt Free Library, Baltimore. General Reference Dept. General Reference Department Staff Manual. Baltimore, 1950.
MLA-referens (9:e uppl.)Enoch Pratt Free Library, Baltimore. General Reference Dept. General Reference Department Staff Manual. 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.